Porter Racing Heads just flowed my
MP Hemi crate Hemi heads before and after flow numbers attached.
someone's got a happy flow bench.

dwaynes flow numbers before and after.ootb aluminum hemi heads and now stage III porting.

as rec'd-
lift----I/E
.100--70.8/50.6
.200-152.5/128.2
.300-235.0/195.5
.400-286.0/234.0
.500-303.3/235.9
.600-311.0/234.0
.700-318.7/234.0
.800-320.6/234.0

after porting-
lift----I/E
.100--73.8/52.4
.200-158.7/133.3
.300-246.2/198.1
.400-316.8/249.6
.500-359.0/282.7
.600-369.9/282.7
.700-373.9/282.7
.800-376.8/282.7